Production of IMR powders dates again about 200 yrs when the organization was at first founded by E.I DuPont. Accessible for use in several reloading applications, the IMR series of powder is reliable by reloaders all across the globe.
IMR 4227 Powder in stock now would be the Magnum Pistol Powder in the IMR lineup. If it states Magnum, 4227 powder would be imr 4227 the option for true magnum velocities and functionality. In rifles this powder provides fantastic imr 4227 velocity and precision in this kind of cartridges since the 22 Hornet and 221 Fireball.